Birlasoft Interview Questions, Process, and Tips

Dispatchgroup
Delegate
Protocol

Q1. What is Dispatch Group ?
Ans. 
Dispatch Group is a mechanism in iOS for managing multiple tasks and synchronizing their completion.
• Dispatch Group allows you to monitor a group of tasks and be notified when they are all completed.

• You can use Dispatch Group to wait for multiple asynchronous tasks to finish before proceeding.

• Dispatch Group can be used to manage concurrent tasks and avoid race conditions.

• Example: Using Dispatch Group to download multipl...read more
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Q2. What are delegate write an example
Ans. 
Delegates are used in iOS development to allow one object to communicate with another object.
• Delegates are used to establish communication between objects in iOS development.

• Delegates are defined using protocols in Swift or Objective-C.

• An example of using delegates is implementing the UITableViewDelegate protocol to handle table view events.
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Online Aptitude Test on superset consisting 40 questions of Aptitude, Data Structures, basic computer Science fundamentals.

40 minutes of coding round on Superset consisting 2 basic coding questions.
1. Nth Fibonacci Sequence
2. Palindrome String

Q1. Introduce yourself.
Ans. 
I am a highly motivated and detail-oriented individual with a strong background in marketing and project management.
• Background in marketing and project management

• Highly motivated and detail-oriented

• Strong communication skills
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Q2. Are you ready to relocate?
Ans. 
Yes, I am open to relocating for the right opportunity.
• I am willing to relocate for the right job opportunity

• I have no ties that would prevent me from relocating

• I am excited about the prospect of experiencing a new location and culture
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Q3. Why you want to join Birlasoft?
Ans. 
I want to join Birlasoft because of its reputation for innovation and growth opportunities.
• Birlasoft is known for its cutting-edge technology solutions.

• I am impressed by the company's commitment to employee development.

• I believe my skills and experience align well with Birlasoft's goals.
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Q4. What do you know about this role and company?
Ans. 
The role involves working as an apprentice in a specific department within the company to gain hands-on experience and skills.
• The company is known for its innovative products/services in the industry.

• The role may involve tasks such as shadowing experienced employees, attending training sessions, and completing assignments.

• Opportunities for growth and advancement within the company may be available for successful appren
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Q1. Questions on OOPs, Polymorphism, Inheritance
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Q2. Questions on basic html, CSS
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Q3. Promise in Javascript
Ans. 
In JavaScript, a promise is an object representing the eventual completion or failure of an asynchronous operation.
• Promises are used to handle asynchronous operations in JavaScript.

• They can be in one of three states: pending, fulfilled, or rejected.

• Promises can be chained using .then() method to handle success and failure cases.

• Example: const myPromise = new Promise((resolve, reject) => { ... });
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Q4. Explain Var and const with their respective scopes in javascript
Ans. 
Var and const are variable declarations in JavaScript with different scopes. Var has function scope while const has block scope.
• Var has function scope, meaning it is accessible within the function it is declared in.

• Const has block scope, meaning it is accessible only within the block it is declared in.

• Var can be redeclared and reassigned, while const cannot be reassigned but can be mutated.

• Var is hoisted to the top of
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Q5. A pattern question on stars
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Q6. A select query in SQL, triggers, Joins related theory questions
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Q1. Write a code to find duplicate from string
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Q1. Describe yourself
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Q1. What is React ,Why it is used in modern days apps
Ans. 
React is a JavaScript library for building user interfaces, known for its efficiency and flexibility.
• React allows for the creation of reusable UI components, making development faster and more efficient.

• It uses a virtual DOM to improve performance by only updating the necessary parts of the UI.

• React is popular for single-page applications and dynamic web interfaces.

• It is widely used in modern web development due to its...read more
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Q2. What is props,Virtual Dom
Ans. 
Props are used to pass data from parent to child components in React. Virtual DOM is a lightweight copy of the actual DOM for efficient updates.
• Props are read-only and cannot be modified by the child component

• Virtual DOM is a concept in React where changes are first made to a lightweight copy of the actual DOM before being applied to the real DOM

• Virtual DOM helps in improving performance by minimizing the number of upd
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